ref: 2d1a7cd45a4ac7b4bc827fcc915ff3edd3009691
parent: 0f3fe088fab5998c37910f3cc539a48fa1a72c14
author: Jerome Jiang <jianj@google.com>
date: Tue Feb 18 05:46:03 EST 2020
Cap delta_q_uv to -15..15 only 4 bits in bitstream Change-Id: I338fe54475e094ee5e556467e0b66c982bb560fa